Adjustable fastener for hinged structures



Aug. 14, 1928.

J. S. WILLIAMS ADJUSTABLE FASTENER FOR HINED STRUCTURES Filed June 22, 1926 m m f W i sashes for brevity.

Patented" Aug. '14, 1928.

JOHN SIDNEY WILLIAMS, 0]? BRISBANE, QUEENSLAND, AUSTRALIA.

ADJUSTABLE FASTENER Application filed June 22, 1926, Serial No.

My invention relates to fasteners adapted to adpist and lock hinged structures, includ ing casement windows and pivoted "taillights,

all of which are called herein windows or The window will thus be held closed, or in a selected partly, r in a fully, open,- position, as may bereqnired from time to time. ()ne feature of my in vention-is that, instead of all the window hinges being independent oi my device, one of the said hinges forms a hinge of my fittings,thus simplifying construction and facilitating correct relativepositioning of the various parts. Supplementary to the said hinge, thewindowwill have anyother suitable hinge or hinges, not forming part of this invention.

My fittings include two principal members to be set in a suitable plane either vertical or horizontal. fixed to the stationary frame around the window, and the other member will be fixed to the window sash and will swing with it.

The lattermember carries a spring urged pawl which will engage the other, herein called the fixed member.

Constructions embodying this invention are applicable to windows hinged along one side, and alsoto windows hinged on opposite sides.

In the drawings herewith Figure 1 is a plan of horizontally set fittings, for a window hinged at one side only; the fittings are shown in partl open position, a part of the swinging nlate being broken out to show clearly the rail of the fixed plate below it.

Figmie 2 is a front elevation of the swinging plate of Figure 1. This plate is to be fixed to the window sash; in this view a part is shown in section through a socket for the pawl pivot pin, and the recess for the pawl spring is also shown.

Figure 3 is a front elevation of the fixed plate of Figure 1,to be fixed to the :tixed frame of the window, that is the framing external of the sash.

Figure 4 is a erspective view of the pawl, but in reverse positionrelatively to Figure 1, and with a part broken away.

Figure 5 shows modified fittings to be set in a vertical plane for use on a window hinged at opposite sides, and which may be in a high location and operated by a cord or the like from below. 7

The window orsash will be located at V, and its fixed frame at F.

()ne of these members will be;

non. HINGED STRUCTURES.

117,702, and in Australia September 21, 1825.

l is a stationary plate hinged to a swing.- ing plate 2by a pin 3, on one of the plates, pro ecting through a hole 4 in the other plate. In Figure 1 the hingepin projects from an oti'set 1 of plate 1 and engages a hole at in an offset 2 of plate 2. 1

To facilitate the attaching of plate 1 to. frame F. and the attachingof plate to the window the plates have parts 1", 2" having holes 1, and 2 respectively. The olfsets 1,

2 have each a hole 1,.2 respectively all holes being to receive wood screws.

The plates are made of skeleton form secure various advantages.

The swinging plate has an outer. curved rail 7 which is adjacent to an outer curved ra l 8 of the fixed plate, each curve being suitable when it has'the hinge pin 3 as a" centre, as this allows the under rail to support a relatively considerable length of the upper rail as best indicated by Figure 1.

ltail 7 is formed with a lug 9 which projects beyond the edge of rail 8 and carries a pawl 10, having a tooth 10 which faces the outer edge of rail 8, that edge being notched at 11, 11, and 11", any suitable number of notchesll being 11 and 11 Lug 9 has a boss 9 having a hole 12 in register with a hole 12 in the pawl. 7 These holes receive a pivot pin 13. Each hole is enlarged on the meeting faces 12212, respectively, to receive a pawl spring 1 1 of wire for example. The middle part of the wire is suitably positioned as coiled around the pin 13, the ends of the spring being anchored in slot recesses 12, 12 respectively. The pawl tooth, 10, normally engages one of the aforesaid notches under thepressure provided between. notches of the spring. Recesses 12, 12 are in the lug 9 and pawl 10 respectively. 7

By using notch 11 the pawl tooth locks the window in closed position; by using notch 11 it holds the window widely open, although as herein explained some further opening is possible in the case illustrated; and by using any intermediate notch 11 the window position can be otherwise adjusted.

To facilitate window adjustment I provide a pair of finger lugs, of which' one lug, 15, is on the swinging rail 7, and the other lug forms the pawl head. These lugs are normally, under the influence of spring 14, somewhat separated when not being operated, but they can be brought together by pressure between a finger and thumb-and to facilitate such pressure these lugs project clear of rail 7. The said spring forces the tooth 1t)" toward rail 8 into any notch which is opposite to it. But the said linger pressure litts tooth 10 clear; then the (moratorwhile still pressing hot-h lugs together, moves them in the appropriate direction, until a suitable notch reached. He then releases the lugs and the tooth will enter the desired notch. I make the niaxiinuni'distance between the linger lugs slight without unduly limiting the rise of the tooth.

There is on the stationary plate a stop 16 in the path of a projection 16 on the swinging plate. The projection is on the pawl in Figures 1 and l but can be in any convenient position it being shown on plate 2 in Figure 5, adapted to he stopped by surface 16 of rail 8. The stop allows the pawl tooth to pass all the notches but prevents excessive opening of the window.

The projection 16 in Figure 1 by projecting trans.'cr.-;ely o't notched rail a prevents rail 7 shitting up from the notched rail 8. It is obvious that gravity would be utilized as to window motion in some casessee Figure but I do notelaiin novelty as to such use, nor do I claim the use of depending cords as 17, 17, attached to lugs 15, 15 and extending within hand reach, so that when the window is closed the user can open it by means of the cord.

It the window begins to close by gravity when, thereupon, the cord is released, such closing would become automatically arrested as soon as the tooth came to a notch in its path. Pulling cord 17 would swing pawl 10, and lift toot-h 1t), and would open the window by swinging plate 2, until if desired, projection l6 met stop 16. Cord 17 is not essential hut is convenient as it allows a user to stop or to steady window movement. Normally during the opening, the tooth 10 is allowed to enter a notch and thus lix the window. \Vhen partly closing the window the pawl tooth is allowed to enter any selected notch.

In my claim the word frame means the stationary frame which carries the sash.

I claim c A window fastener of the character described, the combination of a fixture attachable to the window frame comprising a notched quadrant projecting outwardly and provided with an upright pivot post disposed at the center of tlv moment a plate carried by the window and pivoted on said post, said plate ha\'in an arm carrying a pivot pin and a notch to more into register with the notches of the sector, a spring; actuated dog mounted on the last named pivot pin and having one end urged in the direction oi the notches cf the quadrant, and a cord at the other end of the do: and loose in the arm oi the said plate whereby the operation (rt-pulling on the cord will first release the dog from the quadrant and then swing the window into open position.

In witness whereof I have hereunto set my hand.

JOHN S. WILLIAMS. 

